/* * Filename: cfag12864b-example.c * Version: 0.1.0 * Description: cfag12864b LCD userspace example program * License: GPLv2 * * Author: Copyright (C) Miguel Ojeda Sandonis * Date: 2006-10-31 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* * ------------------------ * start of cfag12864b code * ------------------------ */ #include #include #include #include #include #include #define CFAG12864B_WIDTH (128) #define CFAG12864B_HEIGHT (64) #define CFAG12864B_SIZE (128 * 64 / 8) #define CFAG12864B_BPB (8) #define CFAG12864B_ADDRESS(x, y) ((y) * CFAG12864B_WIDTH / \ CFAG12864B_BPB + (x) / CFAG12864B_BPB) #define CFAG12864B_BIT(n) (((unsigned char) 1) << (n)) #undef CFAG12864B_DOCHECK #ifdef CFAG12864B_DOCHECK #define CFAG12864B_CHECK(x, y) ((x) < CFAG12864B_WIDTH && \ (y) < CFAG12864B_HEIGHT) #else #define CFAG12864B_CHECK(x, y) (1) #endif int cfag12864b_fd; unsigned char * cfag12864b_mem; unsigned char cfag12864b_buffer[CFAG12864B_SIZE]; /* * init a cfag12864b framebuffer device * * No error: return = 0 * Unable to open: return = -1 * Unable to mmap: return = -2 */ static int cfag12864b_init(char *path) { cfag12864b_fd = open(path, O_RDWR); if (cfag12864b_fd == -1) return -1; cfag12864b_mem = mmap(0, CFAG12864B_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, cfag12864b_fd, 0); if (cfag12864b_mem == MAP_FAILED) { close(cfag12864b_fd); return -2; } return 0; } /* * exit a cfag12864b framebuffer device */ static void cfag12864b_exit(void) { munmap(cfag12864b_mem, CFAG12864B_SIZE); close(cfag12864b_fd); } /* * set (x, y) pixel */ static void cfag12864b_set(unsigned char x, unsigned char y) { if (CFAG12864B_CHECK(x, y)) cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] |= CFAG12864B_BIT(x % CFAG12864B_BPB); } /* * unset (x, y) pixel */ static void cfag12864b_unset(unsigned char x, unsigned char y) { if (CFAG12864B_CHECK(x, y)) cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &= ~CFAG12864B_BIT(x % CFAG12864B_BPB); } /* * is set (x, y) pixel? * * Pixel off: return = 0 * Pixel on: return = 1 */ static unsigned char cfag12864b_isset(unsigned char x, unsigned char y) { if (CFAG12864B_CHECK(x, y)) if (cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] & CFAG12864B_BIT(x % CFAG12864B_BPB)) return 1; return 0; } /* * not (x, y) pixel */ static void cfag12864b_not(unsigned char x, unsigned char y) { if (cfag12864b_isset(x, y)) cfag12864b_unset(x, y); else cfag12864b_set(x, y); } /* * fill (set all pixels) */ static void cfag12864b_fill(void) { unsigned short i; for (i = 0; i < CFAG12864B_SIZE; i++) cfag12864b_buffer[i] = 0xFF; } /* * clear (unset all pixels) */ static void cfag12864b_clear(void) { unsigned short i; for (i = 0; i < CFAG12864B_SIZE; i++) cfag12864b_buffer[i] = 0; } /* * format a [128*64] matrix * * Pixel off: src[i] = 0 * Pixel on: src[i] > 0 */ static void cfag12864b_format(unsigned char * matrix) { unsigned char i, j, n; for (i = 0; i < CFAG12864B_HEIGHT; i++) for (j = 0; j < CFAG12864B_WIDTH / CFAG12864B_BPB; j++) { cfag12864b_buffer[i * CFAG12864B_WIDTH / CFAG12864B_BPB + j] = 0; for (n = 0; n < CFAG12864B_BPB; n++) if (matrix[i * CFAG12864B_WIDTH + j * CFAG12864B_BPB + n]) cfag12864b_buffer[i * CFAG12864B_WIDTH / CFAG12864B_BPB + j] |= CFAG12864B_BIT(n); } } /* * blit buffer to lcd */ static void cfag12864b_blit(void) { memcpy(cfag12864b_mem, cfag12864b_buffer, CFAG12864B_SIZE); } /* * ---------------------- * end of cfag12864b code * ---------------------- */ #include #define EXAMPLES 6 static void example(unsigned char n) { unsigned short i, j; unsigned char matrix[CFAG12864B_WIDTH * CFAG12864B_HEIGHT]; if (n > EXAMPLES) return; printf("Example %i/%i - ", n, EXAMPLES); switch (n) { case 1: printf("Draw points setting bits"); cfag12864b_clear(); for (i = 0; i < CFAG12864B_WIDTH; i += 2) for (j = 0; j < CFAG12864B_HEIGHT; j += 2) cfag12864b_set(i, j); break; case 2: printf("Clear the LCD"); cfag12864b_clear(); break; case 3: printf("Draw rows formatting a [128*64] matrix"); memset(matrix, 0, CFAG12864B_WIDTH * CFAG12864B_HEIGHT); for (i = 0; i < CFAG12864B_WIDTH; i++) for (j = 0; j < CFAG12864B_HEIGHT; j += 2) matrix[j * CFAG12864B_WIDTH + i] = 1; cfag12864b_format(matrix); break; case 4: printf("Fill the lcd"); cfag12864b_fill(); break; case 5: printf("Draw columns unsetting bits"); for (i = 0; i < CFAG12864B_WIDTH; i += 2) for (j = 0; j < CFAG12864B_HEIGHT; j++) cfag12864b_unset(i, j); break; case 6: printf("Do negative not-ing all bits"); for (i = 0; i < CFAG12864B_WIDTH; i++) for (j = 0; j < CFAG12864B_HEIGHT; j ++) cfag12864b_not(i, j); break; } puts(" - [Press Enter]"); } int main(int argc, char *argv[]) { unsigned char n; if (argc != 2) { printf( "Sintax: %s fbdev\n" "Usually: /dev/fb0, /dev/fb1...\n", argv[0]); return -1; } if (cfag12864b_init(argv[1])) { printf("Can't init %s fbdev\n", argv[1]); return -2; } for (n = 1; n <= EXAMPLES; n++) { example(n); cfag12864b_blit(); while (getchar() != '\n'); } cfag12864b_exit(); return 0; } fe6985 /tools/power/acpi/Makefile.rules parent76e0e70e6452b971a69cc9794ff4a6715c11f7f2 (diff)parent926af6273fc683cd98cd0ce7bf0d04a02eed6742 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The conflict was an interaction between a bug fix in the netvsc driver in 'net' and an optimization of the RX path in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/power/acpi/Makefile.rules')